Gymnocalycium quehlianum var. albispinum Bozsing ex Backeb., Cactaceae 3: 1722. 1959 Gymnocalycium quehlianum var. albispinum Bozsing ex Backeb., Cactaceae 3: 1722. 1959Taxon for this nameGymnocalycium quehlianum var. albispinum Bozsing ex Backeb.